The 675813 Whirlpool Thermal Fuse kit is a thermal cutoff assembly designed as an over‑temperature safety device for Whirlpool appliances. The kit typically comprises a temperature‑sensitive fuse element (thermal fuse), associated leads or connector, and mounting hardware; the component is engineered to open its circuit at a specified temperature to remove power to heating circuits and protect against sustained overheating.
Inside an appliance the thermal fuse sits in series with the heater circuit and works together with thermostats, temperature sensors and the control board to limit maximum operating temperature. It is most commonly installed in electric clothes dryers and other household heating assemblies where it monitors air or component temperature near the heater housing or exhaust path. Because it is a non‑resettable safety device, its electrical state and physical mounting directly affect appliance behavior and safety-airflow restrictions, degraded heaters, or failed thermostats can all cause the fuse to operate.
this article explains how the 675813 thermal fuse functions, where it is indeed located and how it interfaces with other temperature‑control and safety components, and how to assess compatibility with specific models. Readers will find guidance on common failure symptoms (for example, no heat or intermittent heat), basic troubleshooting checks such as continuity testing and visual inspection, and practical replacement considerations including matching temperature rating/part number, proper mounting and wiring, and safety precautions to avoid bypassing the protective function.
Table of Contents
- function and Safety Role of the Thermal Fuse in Dryer Thermal Management
- How the 675813 Whirlpool Thermal fuse Kit Works within the Dryer’s Thermal Cutoff and Airflow Circuit
- Common failure Symptoms and Diagnostic Measurements for Thermal Fuse Kit Malfunctions
- Compatibility and Supported Whirlpool Appliance Models for the 675813 Thermal Fuse Kit
- Q&A
- To wrap It Up
Function and Safety Role of the Thermal Fuse in Dryer Thermal Management
The thermal fuse supplied in the 675813 Whirlpool Thermal Fuse kit is a one‑time temperature cutoff that interrupts the dryer’s heating circuit when measured temperature at its mounting point exceeds the design threshold. It is wired into the thermal management chain-commonly on the blower housing or heater housing-and is intended to open before temperatures reach levels that can ignite lint or damage insulation. Because the device is non‑resetting, correct restoration of safe operation requires replacing the fuse with a part that matches the manufacturer’s temperature rating, terminal type, and mounting style rather than reusing or bypassing the failed device.
Technicians diagnose a blown thermal fuse with a continuity check and by correlating operating symptoms to airflow and component faults upstream of the fuse. A blown fuse will stop heat generation while motors and timers may continue running, so confirm airflow restrictions (clogged lint trap, duct blockage), failed thermostats, or a shorted heating element before reinstalling a new fuse. After replacing the fuse, verify normal exhaust temperatures and repair any venting or component faults to prevent repeated operation of the safety device.
- No heat while motor runs – continuity test the thermal fuse first.
- Intermittent heating – inspect thermostats and wiring harness for faults.
- Repeated fuse failures – correct lint/venting restrictions or replace faulty components causing overheating.
| item | Description |
|---|---|
| Typical location | Mounted on blower housing or heater housing where it senses exhaust or internal cabinet temperature. |
| Function | Non‑resetting temperature cutoff that opens the heater/control circuit to prevent sustained overheating. |
| Replacement note | Replace with an exact‑specification part and resolve underlying airflow or component faults before returning the dryer to service. |
How the 675813 Whirlpool Thermal fuse Kit Works within the Dryer’s thermal Cutoff and airflow Circuit
The 675813 Whirlpool Thermal Fuse Kit is a replacement safety device that interrupts the dryer’s heater circuit when sensed temperatures exceed the manufacturer-specified limit. Installed on the exhaust or blower housing, the thermal fuse is a series safety element: under normal operation it conducts power to the heating element, and when the local temperature rises above its operating threshold it opens the circuit to stop heat generation. The kit typically supplies the thermal cutoff and the necessary connectors and mounting hardware so the replacement restores the intended thermal sensing location and wiring continuity without modifying the dryer’s original safety architecture.
- Dryer runs but does not heat (motor runs, no heat)
- Intermittent heating or long drying cycles
- Blown thermal fuse shows no continuity on a multimeter
- Repeated fuse failures after vent cleaning indicate a circuit or mounting issue
Within the dryer’s thermal-cutoff and airflow circuit, the fuse acts as a passive temperature sensor and fail-safe that complements thermostats and cycling controls; it does not regulate temperature during normal cycles but provides a hard shutoff if airflow restriction or control failure causes an unsafe rise in temperature. Technicians should verify continuity and inspect venting and blower housing before and after replacing the 675813 Whirlpool Thermal Fuse Kit-replacing the fuse without restoring proper exhaust airflow or correcting a failed thermostat will likely result in another open fuse. Confirming model compatibility and ensuring the replacement part is mounted in the same location and orientation as the original preserves the intended thermal response and avoids false trips.
| Item | Description |
|---|---|
| Function | One-time thermal cutoff that opens the heater circuit when local temperature exceeds its rated set point |
| Typical failure causes | Restricted exhaust airflow, lint buildup, or a failed control that allows continuous heating |
Common Failure Symptoms and Diagnostic Measurements for Thermal Fuse Kit Malfunctions
The 675813 whirlpool Thermal Fuse Kit is a safety device assembly that protects electric dryers from sustained over-temperature conditions by opening the heater circuit when internal temperatures exceed a specified limit. In normal operation the thermal fuse and associated high-limit thermostat are closed and present near-zero ohms; when they open (a one-time fuse will remain open),the heater circuit is interrupted and the dryer will run without producing heat. The kit is frequently enough used as a direct replacement for specific Whirlpool/Maytag/Amana model families and may include different terminal styles or multiple cutouts, so verify connector type and component count against the dryer’s schematic before installation to ensure compatibility and correct thermal ratings are matched to the appliance design.
Diagnosing the 675813 whirlpool Thermal Fuse Kit requires basic electrical measurements and inspection. With the dryer unplugged,isolate and remove the fuse or thermostat from the harness and measure continuity with a multimeter: a reliable thermal fuse reads close to 0 Ω (continuity),while a blown/open unit reads infinite/OL. If the thermal devices show continuity but the dryer still won’t heat, measure line voltage at the heater terminals with the dryer running (use extreme caution) – absence of ~240 VAC at the element indicates an upstream open component or fault in the control circuit. Also inspect for airflow restrictions or a failing heating element: a shorted element can cause nuisance thermal trips, while clogged venting raises internal temperatures and will blow the fuse repeatedly; replace failed thermal components and correct the root cause rather than cycling replacements.
- no heat while drum and motor run (open thermal fuse or cutout)
- Intermittent heating or heater cuts out after a short run (occasional thermostat open or high-limit activation)
- Repeated fuse failure after replacement (restricted airflow or shorted element causing over-temperature)
- Visible discoloration or melted terminals at the fuse/thermostat (indicative of thermal or electrical stress)
| Item | Description |
|---|---|
| Continuity (multimeter) | Good: ≈0 Ω; Blown: OL/infinite (fuse must be replaced) |
| Heater voltage (operating) | Approximately 240 VAC across heater terminals when call for heat; absent voltage points to upstream open circuit |
Compatibility and Supported Whirlpool Appliance Models for the 675813 Thermal Fuse Kit
The 675813 Whirlpool Thermal Fuse Kit is a single-use overtemperature safety device supplied as a service replacement for Whirlpool laundry appliances. the thermal fuse is designed to sense excessive temperature along the appliance’s airflow or heater circuit and open the circuit when the set cut-out temperature is reached, preventing further heating. The kit typically contains the thermal fuse and basic mounting or connector hardware; technicians must verify that the fuse’s electrical rating, lead length and mounting method match the appliance’s requirements because the component does not reset and must be replaced after it operates.
Compatibility is steadfast by mechanical fit, electrical ratings, and OEM cross-reference rather than by brand name alone, so confirm the appliance model tag and wiring schematic before installation. Practical checks include matching terminal styles and lead lengths, confirming the fuse’s intended location in the heater or vent path, and using the manufacturer’s parts list or service manual to verify that 675813 is the correct replacement for the specific Whirlpool model. Common diagnostic clues that indicate the thermal fuse might potentially be the cause include no heat with power present at the heater, continuity absent across the fuse when cold, or a fuse physically showing open continuity after an overheating event.
- Verify model tag and part cross-reference in service manual or parts database.
- Compare terminal type, lead length, and mounting bracket to the original part.
- Test continuity across the fuse when the appliance is disconnected from power.
- Inspect for accompanying causes of overheat (blocked venting or failed thermostat) before replacement.
| Item | Description |
|---|---|
| Function | One-time thermal cutout that opens the heater circuit at a designed overtemperature condition. |
| Compatibility check | Match electrical rating,connector style,lead length,and mounting to the appliance’s service documentation. |
| Typical appliance types | Heated laundry appliances where the manufacturer specifies this OEM replacement; verify with model number. |
| Replacement note | Non-resettable part; always replace with an equivalent part that meets the appliance’s specifications and safety requirements. |
Q&A
What is the Whirlpool Thermal Fuse Kit 675813 and what does it do?
the 675813 kit is a replacement thermal fuse assembly sold for Whirlpool-brand dryers. A thermal fuse is a single‑use safety device that opens (cuts electrical continuity) when the dryer overheats, preventing fires. The kit typically includes the thermal fuse and any small mounting hardware or connector needed to install it.
what are the most common symptoms that indicate the thermal fuse has failed?
Common signs of a blown dryer thermal fuse are: the dryer runs but does not produce heat (drum tumbles but no heating), the dryer stops mid‑cycle, or the dryer won’t start if the thermal fuse is wired in series with the motor circuit. A blown fuse usually results from an overheat condition, so lack of heat with a running motor is a strong indicator.
How do I test the thermal fuse to confirm it’s bad?
First unplug the dryer. Locate the thermal fuse (usually mounted on the blower housing or exhaust duct – consult your manual).Remove the wires and use a multimeter set to continuity or ohms. A good thermal fuse shows continuity (near zero ohms). A blown fuse reads as open (infinite resistance). Do not test for temperature while it’s in circuit; test it at room temperature with power removed.
Can I replace the thermal fuse myself, and what tools and safety precautions are needed?
Yes, a competent DIYer can usually replace it. Safety first: unplug the dryer before working on it. Typical tools: screwdriver or nut driver to remove panels, needle‑nose pliers, and a multimeter for testing. Replace the fuse with the exact part or one with identical electrical and temperature ratings. Keep panels and harness routing the same when reassembling. If you’re not cozy with electrical repairs,hire a technician.
What causes a thermal fuse to blow, and will replacing it fix the problem permanently?
The fuse blows as the dryer overheated. Causes include clogged or restricted venting, excessive lint buildup, a failed cycling thermostat, a shorting heating element, or blocked lint filter. Replacing the fuse alone fixes the symptom (no continuity), but you must identify and correct the root cause (clean vent system, repair the heating element or thermostat) to prevent the new fuse from blowing again.
Is the thermal fuse resettable or reusable?
No. The thermal fuse is a one‑time, non‑resettable safety device.Once it opens from overheating it must be replaced with a correctly rated new fuse from an authorized supplier.
how do I confirm the 675813 kit is the correct part for my dryer?
Verify compatibility by checking your dryer’s model number (usually on a tag inside the door frame or on the back of the appliance) and cross‑referencing it on the Whirlpool parts website or with an authorized parts dealer. Also confirm the replacement part’s electrical and temperature ratings match the original.Buying by model number prevents ordering an incorrect part.
how much does a replacement 675813 thermal fuse kit typically cost and where can I buy one?
Prices vary by seller but a thermal fuse kit for a dryer commonly ranges from about $10 to $35.Purchase from Whirlpool’s official parts store, authorized appliance parts dealers, or reputable online retailers. Avoid inexpensive unknown-brand substitutes and ensure the part number and ratings match the OEM specification.
To Wrap It Up
The 675813 Whirlpool Thermal Fuse Kit serves as a critical safety component in Whirlpool dryers, designed to interrupt power when excessive heat is detected. By preventing the appliance from operating under unsafe temperature conditions,the thermal fuse helps reduce the risk of overheating-related damage and potential fire hazards while contributing to reliable dryer performance.
Accurate diagnosis and timely replacement are essential to restore proper thermal protection and ensure continued safe operation. Confirming the underlying cause of a thermal fuse failure-such as restricted airflow, clogged vents, or other mechanical faults-before replacement helps prevent repeat failures. When replacement is necessary, using the correct 675813 OEM kit and observing recommended safety procedures or engaging a qualified technician will promote correct installation and long-term reliability.
Maintaining effective ventilation, periodic lint removal, and prompt attention to dryer malfunctions complement the protective role of the thermal fuse. Together, these measures preserve appliance performance and safety, making informed diagnosis and proper replacement significant parts of routine dryer maintenance.
Professional Appliance Service
If your appliance requires professional diagnosis or repair, visit
Revolff Home Services
for expert appliance repair services.
For local appliance service information see
Dryer repair Henderson
.
Replacement parts for many appliance models can also be found at
Reliable-Parts-Hub
.
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